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(No Model.) 3 Sheets-Sheet 1.

J. S. CARTER.

DOOR,

Patented Mar. 30, 1897.

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J. s. CARTER.

DOOR.

No. 579,696.A Patented Mar. 30, 1897.

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JOHN S. CARTER, OF BUFFALO, N EW" YORK.

DOOR.

SPECIFICATION forming part of Letters Patent No. 579,696, dated March 30, 1897. Application filed OctoberZZ, 1896. Serial No. 609,670. (No model.)

T all whom it may concern:

Be it known that I, JOHN S. CARTER, a citizen of the United States, residing at Buffalo, in the county of Erie and State of New York, have invented certain new and useful Improvements in Doors; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention consists in the novel features of construction and combination of parts 4hereinafter fully described, reference being had to the accompanying drawings, which illustrate my invention; and said invention is fully disclosed in the following description and claims.

Referring to the said drawings, Figure l represents a view of a four-panel door embodying my invention, one of the side frames and one of the panels being removed and shown separately. Fig. la is a detail view of a panel and panel-casing. Fig. 2 is a horizontal sectional view of the door, taken through the vertical panels. Fig. 3 is a similar sectional view on a line just above the panel-casings. Fig. 4 is a view similar to Fig. l of a five-panel door. Fig. 5 is a similar view of a iive-horizontal-panel door. Fig. 6 is a similar view of a sash-door. Fig. 7 is a horizontal sectional View of the same through the sash.

The object of my invention is to construct a door out of thin pieces of wood which will be stronger, lighter, and cheaper than a solid wood door and which can be constructed without the employment of skilled labor; and this invention is an improvement upon my former patent, No. 540,421, dated June 4, 1895.

In the drawings, Figs. l to 3, inclusive, A represents one of the side frames of my improved door, which is formed of very thin inaterial and is built up or composed of a number of pieces.

a a. represent the stiles, c a a the horizontal pieces, and a2 a2 the central vertical pieces, of the frame.

B represents the filling piece or frame, which is a rectangular frame formed of pieces set edgewise between the side frames and having its corners mitered, as shown. The filling strip or frame may be of any desired width, according to .the width desired in the finished door.

O O represent the panels,which are inclosed in panel-casings of peculiar construction. In my former patent the panels were each inclosed in a rectangular frame having an interior groove to receive the panels, and after the door wasput together the molding which forms the border of the panel was nailed to the said panel-casing. In my present construction the panel-casing is made with molding on both sides, formed integrally with the casing, so that when the door is put together it is complete and nothing further needs to be done to,

it. I prefer to make each panel-casing in two parts, as shown in Figs. la and 2, in which case each part consists of a rectangular frame D, formed of four pieces mitered together, and each piece is provided with the molding CZ, formed integrally therewith on the outer side of the frame. On its inner side the frame is provided with a rabbeted portion d. When the frames are made up, I prefer to secure the corners together by means of corrugated wire nails, as shown, to give them greater strength. When the two halves or frames of the panelcasing are put together, it will be seen that the two rabbeted portions will form a groove, in which the panel O is placed, (see Fig. 2,) and the panel is made slightly smaller than the frame, so as to allow it to swell or shrink without affecting the panel-casing or the door.

In building up the door the parts forming one of the side frames are first assembled and then the filling strip or frame is laid upon it, after which the corner spacing-blocks E E are placed in the corners of the filling-frame and the panel-casings with the panels in them are placed in position with respect to the corner-blocks. The T-shaped spacing-blocks E E are then placed against the filling-frame and between the panels, and the vertical spacing-blocks E2 E2 are placed between the panels adjacent to their ends. The other side frame is then placed upon the panels, blocks,

and iilling-strip, and the door is completed. It will be understood that the parts of the door are preferably secured together with glue as they are built up and subjected to pressure in order to cause them to adhere.

It will be noted that the moldings on the panel-easings project through the panel-openings in the side framesl and fit snugly therein. (See Fig. 2.) Hence when the door is made up there is no possibility of the panel-casings separating at the corners, as they will be virtually clamped in position by the side frames. Itis obvious that the panel-casing might be made as a single frame, if found convenient, but I prefer to make it as heretofore described.

Fig. 4E shows my invention applied to a fivepaneled door, and Fig. 5 to a horizontal-panel door7 these doors being made up in the same way, the only difference being in the shape and arrangement or' the panelppenings and the arrangement ot' the spacing-blocks.

Figs. G and '7 show my invention applied to a door having a sash F in its upper part and two vertical panels in its lower part. In this construction the side frames and lower panels are constructed as previously described. The sash F hasanarrowed portion j', adapted to Iit within the side frames, and laterally-extend of two rectangular frames, each frame having,

integral moldings adapted to extend through said pauel-openings, and a rabbeted portion adapted to form with the rabbeted portion of the other frame, a recess to receive the panel, the illling-strip and panels for said panel-casings, substantially as described. I

In testimony whereof I aiix my signature in presence of two witnesses.

JOHN S. CARTER.

\Vilnesses:

MARK Il. BERRY, FRANK B. OWEN. 

